<template>
    <div class="login_container">
        <el-row>
            <el-col :span="12" :xs="0"></el-col>
            <el-col :span="12" :xs="24">
                <!-- 登录的表单 -->
                <el-form class="login_form">
                    <h1>Hello</h1>
                    <h2>欢迎来到硅谷甄选</h2>
                    <el-form-item>
                        <el-input :prefix-icon="User" v-model="loginForm.username"></el-input>
                    </el-form-item>
                    <el-form-item>
                        <el-input type="password" :prefix-icon="Lock" v-model="loginForm.password"
                            show-password></el-input>
                    </el-form-item>
                    <el-form-item>
                        <el-button class="login_btn" type="primary" size="default" @click="login"> 登录</el-button>
                    </el-form-item>
                </el-form>
            </el-col>
        </el-row>
    </div>
</template>

<script setup lang="ts">
import { User, Lock } from '@element-plus/icons-vue';
import { reactive, ref } from 'vue';
import { useRouter, useRoute } from 'vue-router';
import { ElNotification } from 'element-plus';
//引入获取当前时间的函数
import { getTime } from '@/utils/time';
//引入用户相关的小仓库
import useUserStore from "@/store/modules/user";
let useStore = useUserStore();
//获取el-form组件
let loginForms = ref();
//获取路由器
let $router = useRouter();
//路由对象
let $route = useRoute();
//定义变量控制按钮加载效果
let loading = ref(false);
//收集账号与密码数据
let loginForm = reactive({ username: 'admin', password: '111111' })
//登录按钮的回调
const login = async () => {
    //按钮加载效果
    loading.value = true
    //点击登录按钮以后干什么
    //通知仓库发起请求
    //请求成功->路由跳转
    //请求失败->弹出登陆失败信息
    try {
        //也可以书写.then语法
        await useStore.userLogin(loginForm)
        //编程式导航跳转到展示数据的首页
        $router.push('/')
        //登录成功的提示信息
        ElNotification({
            type: 'success',
            message: '登录成功！',
            title: `HI,${getTime()}好`
        })
        //登录成功,加载效果也消失
        loading.value = false
    } catch (error) {
        //登陆失败加载效果消失
        loading.value = false
        //登录失败的提示信息
        ElNotification({
            type: 'error',
            message: (error as Error).message,
        })
    }
}
</script>

<style lang="scss" scoped>
.login_container {
    width: 100%;
    height: 100vh;
    background: url('@/assets/images/background.jpg') no-repeat;
    background-size: cover;

    .login_form {
        position: relative;
        width: 80%;
        top: 30vh;
        background: url('@/assets/images/login_form.png') no-repeat;
        background-size: cover;
        padding: 40px;

        h1 {
            color: white;
            font-size: 40px;
        }

        h2 {
            color: white;
            font-size: 20px;
            margin: 20px 0px;
        }

        .login_btn {
            width: 100%;
        }
    }
}
</style>